The Grab [is] a riveting new documentary which outlines the move by national governments, financial investors and private security forces to snap up food and water resources. What oil was to the 20th century, food and water will be to the 21st " precious, geopolitically powerful and contested. "The 20th century had Opec," says [Nate] Halverson ... a journalist with the Center for Investigative Reporting. "In the future, we're going to have Food Pec. [In] rural La Paz county, Arizona, a Saudi company bought about 15 square miles of farmland [and] drained the region's aquifers beyond a generation's worth of rain. Residents describe going without water, discovering empty wells, their houses cracked and sinking, with little recourse. The film connects their confusion to the despair of Zambian farmers displaced, via a complicated and westernized deeds system, by mercenary militias to make way for commercial farmland controlled by outside actors from various countries " China, Gulf states, the US. The culprit is not one country or company but a shadowy network of mercenary interests. Halverson and his team [obtained] ... a year's worth of emails within the private equity firm Frontier Resource Group, founded by Erik Prince, who also founded and was the CEO of the military contracting company Blackwater " a notorious mercenary group during the US invasion of Iraq. The emails, from 2012, reveal a clear plan to obtain, by whatever means necessary, land in Africa to fulfill competing national interests. "I just want people to have great information ... because right now the people that have this information are the CIA, and Wall Street, and foreign governments and very wealthy people."